Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart
[pandora-kernel.git] / fs / ocfs2 / namei.c
index 259155f..f3d7803 100644 (file)
@@ -75,12 +75,12 @@ static int inline ocfs2_search_dirblock(struct buffer_head *bh,
                                        unsigned long offset,
                                        struct ocfs2_dir_entry **res_dir);
 
-static int ocfs2_delete_entry(struct ocfs2_journal_handle *handle,
+static int ocfs2_delete_entry(handle_t *handle,
                              struct inode *dir,
                              struct ocfs2_dir_entry *de_del,
                              struct buffer_head *bh);
 
-static int __ocfs2_add_entry(struct ocfs2_journal_handle *handle,
+static int __ocfs2_add_entry(handle_t *handle,
                             struct inode *dir,
                             const char *name, int namelen,
                             struct inode *inode, u64 blkno,
@@ -93,43 +93,37 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
                              dev_t dev,
                              struct buffer_head **new_fe_bh,
                              struct buffer_head *parent_fe_bh,
-                             struct ocfs2_journal_handle *handle,
+                             handle_t *handle,
                              struct inode **ret_inode,
                              struct ocfs2_alloc_context *inode_ac);
 
 static int ocfs2_fill_new_dir(struct ocfs2_super *osb,
-                             struct ocfs2_journal_handle *handle,
+                             handle_t *handle,
                              struct inode *parent,
                              struct inode *inode,
                              struct buffer_head *fe_bh,
                              struct ocfs2_alloc_context *data_ac);
 
-static int ocfs2_double_lock(struct ocfs2_super *osb,
-                            struct ocfs2_journal_handle *handle,
-                            struct buffer_head **bh1,
-                            struct inode *inode1,
-                            struct buffer_head **bh2,
-                            struct inode *inode2);
-
 static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
-                                   struct ocfs2_journal_handle *handle,
+                                   struct inode **ret_orphan_dir,
                                    struct inode *inode,
                                    char *name,
                                    struct buffer_head **de_bh);
 
 static int ocfs2_orphan_add(struct ocfs2_super *osb,
-                           struct ocfs2_journal_handle *handle,
+                           handle_t *handle,
                            struct inode *inode,
                            struct ocfs2_dinode *fe,
                            char *name,
-                           struct buffer_head *de_bh);
+                           struct buffer_head *de_bh,
+                           struct inode *orphan_dir_inode);
 
 static int ocfs2_create_symlink_data(struct ocfs2_super *osb,
-                                    struct ocfs2_journal_handle *handle,
+                                    handle_t *handle,
                                     struct inode *inode,
                                     const char *symname);
 
-static inline int ocfs2_add_entry(struct ocfs2_journal_handle *handle,
+static inline int ocfs2_add_entry(handle_t *handle,
                                  struct dentry *dentry,
                                  struct inode *inode, u64 blkno,
                                  struct buffer_head *parent_fe_bh,
@@ -165,7 +159,7 @@ static struct dentry *ocfs2_lookup(struct inode *dir, struct dentry *dentry,
        mlog(0, "find name %.*s in directory %llu\n", dentry->d_name.len,
             dentry->d_name.name, (unsigned long long)OCFS2_I(dir)->ip_blkno);
 
-       status = ocfs2_meta_lock(dir, NULL, NULL, 0);
+       status = ocfs2_meta_lock(dir, NULL, 0);
        if (status < 0) {
                if (status != -ENOENT)
                        mlog_errno(status);
@@ -242,7 +236,7 @@ bail:
 }
 
 static int ocfs2_fill_new_dir(struct ocfs2_super *osb,
-                             struct ocfs2_journal_handle *handle,
+                             handle_t *handle,
                              struct inode *parent,
                              struct inode *inode,
                              struct buffer_head *fe_bh,
@@ -317,7 +311,7 @@ static int ocfs2_mknod(struct inode *dir,
 {
        int status = 0;
        struct buffer_head *parent_fe_bh = NULL;
-       struct ocfs2_journal_handle *handle = NULL;
+       handle_t *handle = NULL;
        struct ocfs2_super *osb;
        struct ocfs2_dinode *dirfe;
        struct buffer_head *new_fe_bh = NULL;
@@ -333,18 +327,11 @@ static int ocfs2_mknod(struct inode *dir,
        /* get our super block */
        osb = OCFS2_SB(dir->i_sb);
 
-       handle = ocfs2_alloc_handle(osb);
-       if (handle == NULL) {
-               status = -ENOMEM;
-               mlog_errno(status);
-               goto leave;
-       }
-
-       status = ocfs2_meta_lock(dir, handle, &parent_fe_bh, 1);
+       status = ocfs2_meta_lock(dir, &parent_fe_bh, 1);
        if (status < 0) {
                if (status != -ENOENT)
                        mlog_errno(status);
-               goto leave;
+               return status;
        }
 
        if (S_ISDIR(mode) && (dir->i_nlink >= OCFS2_LINK_MAX)) {
@@ -374,7 +361,7 @@ static int ocfs2_mknod(struct inode *dir,
        }
 
        /* reserve an inode spot */
-       status = ocfs2_reserve_new_inode(osb, handle, &inode_ac);
+       status = ocfs2_reserve_new_inode(osb, &inode_ac);
        if (status < 0) {
                if (status != -ENOSPC)
                        mlog_errno(status);
@@ -384,7 +371,7 @@ static int ocfs2_mknod(struct inode *dir,
        /* are we making a directory? If so, reserve a cluster for his
         * 1st extent. */
        if (S_ISDIR(mode)) {
-               status = ocfs2_reserve_clusters(osb, handle, 1, &data_ac);
+               status = ocfs2_reserve_clusters(osb, 1, &data_ac);
                if (status < 0) {
                        if (status != -ENOSPC)
                                mlog_errno(status);
@@ -392,7 +379,7 @@ static int ocfs2_mknod(struct inode *dir,
                }
        }
 
-       handle = ocfs2_start_trans(osb, handle, OCFS2_MKNOD_CREDITS);
+       handle = ocfs2_start_trans(osb, OCFS2_MKNOD_CREDITS);
        if (IS_ERR(handle)) {
                status = PTR_ERR(handle);
                handle = NULL;
@@ -453,7 +440,9 @@ static int ocfs2_mknod(struct inode *dir,
        status = 0;
 leave:
        if (handle)
-               ocfs2_commit_trans(handle);
+               ocfs2_commit_trans(osb, handle);
+
+       ocfs2_meta_unlock(dir, 1);
 
        if (status == -ENOSPC)
                mlog(0, "Disk is full\n");
@@ -487,7 +476,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
                              dev_t dev,
                              struct buffer_head **new_fe_bh,
                              struct buffer_head *parent_fe_bh,
-                             struct ocfs2_journal_handle *handle,
+                             handle_t *handle,
                              struct inode **ret_inode,
                              struct ocfs2_alloc_context *inode_ac)
 {
@@ -598,9 +587,11 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
        }
 
        ocfs2_inode_set_new(osb, inode);
-       status = ocfs2_create_new_inode_locks(inode);
-       if (status < 0)
-               mlog_errno(status);
+       if (!ocfs2_mount_local(osb)) {
+               status = ocfs2_create_new_inode_locks(inode);
+               if (status < 0)
+                       mlog_errno(status);
+       }
 
        status = 0; /* error in ocfs2_create_new_inode_locks is not
                     * critical */
@@ -653,7 +644,7 @@ static int ocfs2_link(struct dentry *old_dentry,
                      struct inode *dir,
                      struct dentry *dentry)
 {
-       struct ocfs2_journal_handle *handle = NULL;
+       handle_t *handle;
        struct inode *inode = old_dentry->d_inode;
        int err;
        struct buffer_head *fe_bh = NULL;
@@ -666,68 +657,60 @@ static int ocfs2_link(struct dentry *old_dentry,
                   old_dentry->d_name.len, old_dentry->d_name.name,
                   dentry->d_name.len, dentry->d_name.name);
 
-       if (S_ISDIR(inode->i_mode)) {
-               err = -EPERM;
-               goto bail;
-       }
-
-       handle = ocfs2_alloc_handle(osb);
-       if (handle == NULL) {
-               err = -ENOMEM;
-               goto bail;
-       }
+       if (S_ISDIR(inode->i_mode))
+               return -EPERM;
 
-       err = ocfs2_meta_lock(dir, handle, &parent_fe_bh, 1);
+       err = ocfs2_meta_lock(dir, &parent_fe_bh, 1);
        if (err < 0) {
                if (err != -ENOENT)
                        mlog_errno(err);
-               goto bail;
+               return err;
        }
 
        if (!dir->i_nlink) {
                err = -ENOENT;
-               goto bail;
+               goto out;
        }
 
        err = ocfs2_check_dir_for_entry(dir, dentry->d_name.name,
                                        dentry->d_name.len);
        if (err)
-               goto bail;
+               goto out;
 
        err = ocfs2_prepare_dir_for_insert(osb, dir, parent_fe_bh,
                                           dentry->d_name.name,
                                           dentry->d_name.len, &de_bh);
        if (err < 0) {
                mlog_errno(err);
-               goto bail;
+               goto out;
        }
 
-       err = ocfs2_meta_lock(inode, handle, &fe_bh, 1);
+       err = ocfs2_meta_lock(inode, &fe_bh, 1);
        if (err < 0) {
                if (err != -ENOENT)
                        mlog_errno(err);
-               goto bail;
+               goto out;
        }
 
        fe = (struct ocfs2_dinode *) fe_bh->b_data;
        if (le16_to_cpu(fe->i_links_count) >= OCFS2_LINK_MAX) {
                err = -EMLINK;
-               goto bail;
+               goto out_unlock_inode;
        }
 
-       handle = ocfs2_start_trans(osb, handle, OCFS2_LINK_CREDITS);
+       handle = ocfs2_start_trans(osb, OCFS2_LINK_CREDITS);
        if (IS_ERR(handle)) {
                err = PTR_ERR(handle);
                handle = NULL;
                mlog_errno(err);
-               goto bail;
+               goto out_unlock_inode;
        }
 
        err = ocfs2_journal_access(handle, inode, fe_bh,
                                   OCFS2_JOURNAL_ACCESS_WRITE);
        if (err < 0) {
                mlog_errno(err);
-               goto bail;
+               goto out_commit;
        }
 
        inc_nlink(inode);
@@ -741,7 +724,7 @@ static int ocfs2_link(struct dentry *old_dentry,
                le16_add_cpu(&fe->i_links_count, -1);
                drop_nlink(inode);
                mlog_errno(err);
-               goto bail;
+               goto out_commit;
        }
 
        err = ocfs2_add_entry(handle, dentry, inode,
@@ -751,21 +734,27 @@ static int ocfs2_link(struct dentry *old_dentry,
                le16_add_cpu(&fe->i_links_count, -1);
                drop_nlink(inode);
                mlog_errno(err);
-               goto bail;
+               goto out_commit;
        }
 
        err = ocfs2_dentry_attach_lock(dentry, inode, OCFS2_I(dir)->ip_blkno);
        if (err) {
                mlog_errno(err);
-               goto bail;
+               goto out_commit;
        }
 
        atomic_inc(&inode->i_count);
        dentry->d_op = &ocfs2_dentry_ops;
        d_instantiate(dentry, inode);
-bail:
-       if (handle)
-               ocfs2_commit_trans(handle);
+
+out_commit:
+       ocfs2_commit_trans(osb, handle);
+out_unlock_inode:
+       ocfs2_meta_unlock(inode, 1);
+
+out:
+       ocfs2_meta_unlock(dir, 1);
+
        if (de_bh)
                brelse(de_bh);
        if (fe_bh)
@@ -812,13 +801,15 @@ static int ocfs2_unlink(struct inode *dir,
                        struct dentry *dentry)
 {
        int status;
+       int child_locked = 0;
        struct inode *inode = dentry->d_inode;
+       struct inode *orphan_dir = NULL;
        struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
        u64 blkno;
        struct ocfs2_dinode *fe = NULL;
        struct buffer_head *fe_bh = NULL;
        struct buffer_head *parent_node_bh = NULL;
-       struct ocfs2_journal_handle *handle = NULL;
+       handle_t *handle = NULL;
        struct ocfs2_dir_entry *dirent = NULL;
        struct buffer_head *dirent_bh = NULL;
        char orphan_name[OCFS2_ORPHAN_NAMELEN + 1];
@@ -833,22 +824,14 @@ static int ocfs2_unlink(struct inode *dir,
 
        if (inode == osb->root_inode) {
                mlog(0, "Cannot delete the root directory\n");
-               status = -EPERM;
-               goto leave;
-       }
-
-       handle = ocfs2_alloc_handle(osb);
-       if (handle == NULL) {
-               status = -ENOMEM;
-               mlog_errno(status);
-               goto leave;
+               return -EPERM;
        }
 
-       status = ocfs2_meta_lock(dir, handle, &parent_node_bh, 1);
+       status = ocfs2_meta_lock(dir, &parent_node_bh, 1);
        if (status < 0) {
                if (status != -ENOENT)
                        mlog_errno(status);
-               goto leave;
+               return status;
        }
 
        status = ocfs2_find_files_on_disk(dentry->d_name.name,
@@ -869,12 +852,13 @@ static int ocfs2_unlink(struct inode *dir,
                goto leave;
        }
 
-       status = ocfs2_meta_lock(inode, handle, &fe_bh, 1);
+       status = ocfs2_meta_lock(inode, &fe_bh, 1);
        if (status < 0) {
                if (status != -ENOENT)
                        mlog_errno(status);
                goto leave;
        }
+       child_locked = 1;
 
        if (S_ISDIR(inode->i_mode)) {
                if (!ocfs2_empty_dir(inode)) {
@@ -895,7 +879,7 @@ static int ocfs2_unlink(struct inode *dir,
        }
 
        if (inode_is_unlinkable(inode)) {
-               status = ocfs2_prepare_orphan_dir(osb, handle, inode,
+               status = ocfs2_prepare_orphan_dir(osb, &orphan_dir, inode,
                                                  orphan_name,
                                                  &orphan_entry_bh);
                if (status < 0) {
@@ -904,7 +888,7 @@ static int ocfs2_unlink(struct inode *dir,
                }
        }
 
-       handle = ocfs2_start_trans(osb, handle, OCFS2_UNLINK_CREDITS);
+       handle = ocfs2_start_trans(osb, OCFS2_UNLINK_CREDITS);
        if (IS_ERR(handle)) {
                status = PTR_ERR(handle);
                handle = NULL;
@@ -923,7 +907,7 @@ static int ocfs2_unlink(struct inode *dir,
 
        if (inode_is_unlinkable(inode)) {
                status = ocfs2_orphan_add(osb, handle, inode, fe, orphan_name,
-                                         orphan_entry_bh);
+                                         orphan_entry_bh, orphan_dir);
                if (status < 0) {
                        mlog_errno(status);
                        goto leave;
@@ -948,19 +932,32 @@ static int ocfs2_unlink(struct inode *dir,
                goto leave;
        }
 
-       if (S_ISDIR(inode->i_mode)) {
+       dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+       if (S_ISDIR(inode->i_mode))
                drop_nlink(dir);
-               status = ocfs2_mark_inode_dirty(handle, dir,
-                                               parent_node_bh);
-               if (status < 0) {
-                       mlog_errno(status);
+
+       status = ocfs2_mark_inode_dirty(handle, dir, parent_node_bh);
+       if (status < 0) {
+               mlog_errno(status);
+               if (S_ISDIR(inode->i_mode))
                        inc_nlink(dir);
-               }
        }
 
 leave:
        if (handle)
-               ocfs2_commit_trans(handle);
+               ocfs2_commit_trans(osb, handle);
+
+       if (child_locked)
+               ocfs2_meta_unlock(inode, 1);
+
+       ocfs2_meta_unlock(dir, 1);
+
+       if (orphan_dir) {
+               /* This was locked for us in ocfs2_prepare_orphan_dir() */
+               ocfs2_meta_unlock(orphan_dir, 1);
+               mutex_unlock(&orphan_dir->i_mutex);
+               iput(orphan_dir);
+       }
 
        if (fe_bh)
                brelse(fe_bh);
@@ -984,7 +981,6 @@ leave:
  * if they have the same id, then the 1st one is the only one locked.
  */
 static int ocfs2_double_lock(struct ocfs2_super *osb,
-                            struct ocfs2_journal_handle *handle,
                             struct buffer_head **bh1,
                             struct inode *inode1,
                             struct buffer_head **bh2,
@@ -1000,8 +996,6 @@ static int ocfs2_double_lock(struct ocfs2_super *osb,
                   (unsigned long long)oi1->ip_blkno,
                   (unsigned long long)oi2->ip_blkno);
 
-       BUG_ON(!handle);
-
        if (*bh1)
                *bh1 = NULL;
        if (*bh2)
@@ -1021,25 +1015,41 @@ static int ocfs2_double_lock(struct ocfs2_super *osb,
                        inode1 = tmpinode;
                }
                /* lock id2 */
-               status = ocfs2_meta_lock(inode2, handle, bh2, 1);
+               status = ocfs2_meta_lock(inode2, bh2, 1);
                if (status < 0) {
                        if (status != -ENOENT)
                                mlog_errno(status);
                        goto bail;
                }
        }
+
        /* lock id1 */
-       status = ocfs2_meta_lock(inode1, handle, bh1, 1);
+       status = ocfs2_meta_lock(inode1, bh1, 1);
        if (status < 0) {
+               /*
+                * An error return must mean that no cluster locks
+                * were held on function exit.
+                */
+               if (oi1->ip_blkno != oi2->ip_blkno)
+                       ocfs2_meta_unlock(inode2, 1);
+
                if (status != -ENOENT)
                        mlog_errno(status);
-               goto bail;
        }
+
 bail:
        mlog_exit(status);
        return status;
 }
 
+static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2)
+{
+       ocfs2_meta_unlock(inode1, 1);
+
+       if (inode1 != inode2)
+               ocfs2_meta_unlock(inode2, 1);
+}
+
 #define PARENT_INO(buffer) \
        ((struct ocfs2_dir_entry *) \
         ((char *)buffer + \
@@ -1050,17 +1060,20 @@ static int ocfs2_rename(struct inode *old_dir,
                        struct inode *new_dir,
                        struct dentry *new_dentry)
 {
-       int status = 0, rename_lock = 0;
+       int status = 0, rename_lock = 0, parents_locked = 0;
+       int old_child_locked = 0, new_child_locked = 0;
        struct inode *old_inode = old_dentry->d_inode;
        struct inode *new_inode = new_dentry->d_inode;
+       struct inode *orphan_dir = NULL;
        struct ocfs2_dinode *newfe = NULL;
        char orphan_name[OCFS2_ORPHAN_NAMELEN + 1];
        struct buffer_head *orphan_entry_bh = NULL;
        struct buffer_head *newfe_bh = NULL;
+       struct buffer_head *old_inode_bh = NULL;
        struct buffer_head *insert_entry_bh = NULL;
        struct ocfs2_super *osb = NULL;
        u64 newfe_blkno;
-       struct ocfs2_journal_handle *handle = NULL;
+       handle_t *handle = NULL;
        struct buffer_head *old_dir_bh = NULL;
        struct buffer_head *new_dir_bh = NULL;
        struct ocfs2_dir_entry *old_de = NULL, *new_de = NULL; // dirent for old_dentry
@@ -1068,7 +1081,7 @@ static int ocfs2_rename(struct inode *old_dir,
        struct buffer_head *new_de_bh = NULL, *old_de_bh = NULL; // bhs for above
        struct buffer_head *old_inode_de_bh = NULL; // if old_dentry is a dir,
                                                    // this is the 1st dirent bh
-       nlink_t old_dir_nlink = old_dir->i_nlink, new_dir_nlink = new_dir->i_nlink;
+       nlink_t old_dir_nlink = old_dir->i_nlink;
 
        /* At some point it might be nice to break this function up a
         * bit. */
@@ -1085,14 +1098,6 @@ static int ocfs2_rename(struct inode *old_dir,
                        BUG();
        }
 
-       if (atomic_read(&old_dentry->d_count) > 2) {
-               shrink_dcache_parent(old_dentry);
-               if (atomic_read(&old_dentry->d_count) > 2) {
-                       status = -EBUSY;
-                       goto bail;
-               }
-       }
-
        /* Assume a directory heirarchy thusly:
         * a/b/c
         * a/d
@@ -1113,21 +1118,14 @@ static int ocfs2_rename(struct inode *old_dir,
                rename_lock = 1;
        }
 
-       handle = ocfs2_alloc_handle(osb);
-       if (handle == NULL) {
-               status = -ENOMEM;
-               mlog_errno(status);
-               goto bail;
-       }
-
        /* if old and new are the same, this'll just do one lock. */
-       status = ocfs2_double_lock(osb, handle,
-                                 &old_dir_bh, old_dir,
-                                 &new_dir_bh, new_dir);
+       status = ocfs2_double_lock(osb, &old_dir_bh, old_dir,
+                                  &new_dir_bh, new_dir);
        if (status < 0) {
                mlog_errno(status);
                goto bail;
        }
+       parents_locked = 1;
 
        /* make sure both dirs have bhs
         * get an extra ref on old_dir_bh if old==new */
@@ -1143,17 +1141,17 @@ static int ocfs2_rename(struct inode *old_dir,
        }
 
        /*
-        * Though we don't require an inode meta data update if
-        * old_inode is not a directory, we lock anyway here to ensure
-        * the vote thread on other nodes won't have to concurrently
-        * downconvert the inode and the dentry locks.
+        * Aside from allowing a meta data update, the locking here
+        * also ensures that the vote thread on other nodes won't have
+        * to concurrently downconvert the inode and the dentry locks.
         */
-       status = ocfs2_meta_lock(old_inode, handle, NULL, 1);
+       status = ocfs2_meta_lock(old_inode, &old_inode_bh, 1);
        if (status < 0) {
                if (status != -ENOENT)
                        mlog_errno(status);
                goto bail;
        }
+       old_child_locked = 1;
 
        status = ocfs2_remote_dentry_delete(old_dentry);
        if (status < 0) {
@@ -1239,12 +1237,13 @@ static int ocfs2_rename(struct inode *old_dir,
                        goto bail;
                }
 
-               status = ocfs2_meta_lock(new_inode, handle, &newfe_bh, 1);
+               status = ocfs2_meta_lock(new_inode, &newfe_bh, 1);
                if (status < 0) {
                        if (status != -ENOENT)
                                mlog_errno(status);
                        goto bail;
                }
+               new_child_locked = 1;
 
                status = ocfs2_remote_dentry_delete(new_dentry);
                if (status < 0) {
@@ -1260,7 +1259,7 @@ static int ocfs2_rename(struct inode *old_dir,
                     (unsigned long long)newfe_bh->b_blocknr : 0ULL);
 
                if (S_ISDIR(new_inode->i_mode) || (new_inode->i_nlink == 1)) {
-                       status = ocfs2_prepare_orphan_dir(osb, handle,
+                       status = ocfs2_prepare_orphan_dir(osb, &orphan_dir,
                                                          new_inode,
                                                          orphan_name,
                                                          &orphan_entry_bh);
@@ -1288,7 +1287,7 @@ static int ocfs2_rename(struct inode *old_dir,
                }
        }
 
-       handle = ocfs2_start_trans(osb, handle, OCFS2_RENAME_CREDITS);
+       handle = ocfs2_start_trans(osb, OCFS2_RENAME_CREDITS);
        if (IS_ERR(handle)) {
                status = PTR_ERR(handle);
                handle = NULL;
@@ -1315,7 +1314,7 @@ static int ocfs2_rename(struct inode *old_dir,
                    (newfe->i_links_count == cpu_to_le16(1))){
                        status = ocfs2_orphan_add(osb, handle, new_inode,
                                                  newfe, orphan_name,
-                                                 orphan_entry_bh);
+                                                 orphan_entry_bh, orphan_dir);
                        if (status < 0) {
                                mlog_errno(status);
                                goto bail;
@@ -1357,6 +1356,7 @@ static int ocfs2_rename(struct inode *old_dir,
 
        old_inode->i_ctime = CURRENT_TIME;
        mark_inode_dirty(old_inode);
+       ocfs2_mark_inode_dirty(handle, old_inode, old_inode_bh);
 
        /* now that the name has been added to new_dir, remove the old name */
        status = ocfs2_delete_entry(handle, old_dir, old_de, old_de_bh);
@@ -1386,27 +1386,22 @@ static int ocfs2_rename(struct inode *old_dir,
                }
        }
        mark_inode_dirty(old_dir);
-       if (new_inode)
+       ocfs2_mark_inode_dirty(handle, old_dir, old_dir_bh);
+       if (new_inode) {
                mark_inode_dirty(new_inode);
+               ocfs2_mark_inode_dirty(handle, new_inode, newfe_bh);
+       }
 
-       if (old_dir != new_dir)
-               if (new_dir_nlink != new_dir->i_nlink) {
-                       if (!new_dir_bh) {
-                               mlog(ML_ERROR, "need to change nlink for new "
-                                    "dir %llu from %d to %d but bh is NULL\n",
-                                    (unsigned long long)OCFS2_I(new_dir)->ip_blkno,
-                                    (int)new_dir_nlink, new_dir->i_nlink);
-                       } else {
-                               struct ocfs2_dinode *fe;
-                               status = ocfs2_journal_access(handle,
-                                                             new_dir,
-                                                             new_dir_bh,
-                                                             OCFS2_JOURNAL_ACCESS_WRITE);
-                               fe = (struct ocfs2_dinode *) new_dir_bh->b_data;
-                               fe->i_links_count = cpu_to_le16(new_dir->i_nlink);
-                               status = ocfs2_journal_dirty(handle, new_dir_bh);
-                       }
-               }
+       if (old_dir != new_dir) {
+               /* Keep the same times on both directories.*/
+               new_dir->i_ctime = new_dir->i_mtime = old_dir->i_ctime;
+
+               /*
+                * This will also pick up the i_nlink change from the
+                * block above.
+                */
+               ocfs2_mark_inode_dirty(handle, new_dir, new_dir_bh);
+       }
 
        if (old_dir_nlink != old_dir->i_nlink) {
                if (!old_dir_bh) {
@@ -1432,7 +1427,23 @@ bail:
                ocfs2_rename_unlock(osb);
 
        if (handle)
-               ocfs2_commit_trans(handle);
+               ocfs2_commit_trans(osb, handle);
+
+       if (parents_locked)
+               ocfs2_double_unlock(old_dir, new_dir);
+
+       if (old_child_locked)
+               ocfs2_meta_unlock(old_inode, 1);
+
+       if (new_child_locked)
+               ocfs2_meta_unlock(new_inode, 1);
+
+       if (orphan_dir) {
+               /* This was locked for us in ocfs2_prepare_orphan_dir() */
+               ocfs2_meta_unlock(orphan_dir, 1);
+               mutex_unlock(&orphan_dir->i_mutex);
+               iput(orphan_dir);
+       }
 
        if (new_inode)
                sync_mapping_buffers(old_inode->i_mapping);
@@ -1441,6 +1452,8 @@ bail:
                iput(new_inode);
        if (newfe_bh)
                brelse(newfe_bh);
+       if (old_inode_bh)
+               brelse(old_inode_bh);
        if (old_dir_bh)
                brelse(old_dir_bh);
        if (new_dir_bh)
@@ -1466,7 +1479,7 @@ bail:
  * data, including the null terminator.
  */
 static int ocfs2_create_symlink_data(struct ocfs2_super *osb,
-                                    struct ocfs2_journal_handle *handle,
+                                    handle_t *handle,
                                     struct inode *inode,
                                     const char *symname)
 {
@@ -1581,7 +1594,7 @@ static int ocfs2_symlink(struct inode *dir,
        struct buffer_head *parent_fe_bh = NULL;
        struct ocfs2_dinode *fe = NULL;
        struct ocfs2_dinode *dirfe;
-       struct ocfs2_journal_handle *handle = NULL;
+       handle_t *handle = NULL;
        struct ocfs2_alloc_context *inode_ac = NULL;
        struct ocfs2_alloc_context *data_ac = NULL;
 
@@ -1595,19 +1608,12 @@ static int ocfs2_symlink(struct inode *dir,
 
        credits = ocfs2_calc_symlink_credits(sb);
 
-       handle = ocfs2_alloc_handle(osb);
-       if (handle == NULL) {
-               status = -ENOMEM;
-               mlog_errno(status);
-               goto bail;
-       }
-
        /* lock the parent directory */
-       status = ocfs2_meta_lock(dir, handle, &parent_fe_bh, 1);
+       status = ocfs2_meta_lock(dir, &parent_fe_bh, 1);
        if (status < 0) {
                if (status != -ENOENT)
                        mlog_errno(status);
-               goto bail;
+               return status;
        }
 
        dirfe = (struct ocfs2_dinode *) parent_fe_bh->b_data;
@@ -1630,7 +1636,7 @@ static int ocfs2_symlink(struct inode *dir,
                goto bail;
        }
 
-       status = ocfs2_reserve_new_inode(osb, handle, &inode_ac);
+       status = ocfs2_reserve_new_inode(osb, &inode_ac);
        if (status < 0) {
                if (status != -ENOSPC)
                        mlog_errno(status);
@@ -1639,7 +1645,7 @@ static int ocfs2_symlink(struct inode *dir,
 
        /* don't reserve bitmap space for fast symlinks. */
        if (l > ocfs2_fast_symlink_chars(sb)) {
-               status = ocfs2_reserve_clusters(osb, handle, 1, &data_ac);
+               status = ocfs2_reserve_clusters(osb, 1, &data_ac);
                if (status < 0) {
                        if (status != -ENOSPC)
                                mlog_errno(status);
@@ -1647,7 +1653,7 @@ static int ocfs2_symlink(struct inode *dir,
                }
        }
 
-       handle = ocfs2_start_trans(osb, handle, credits);
+       handle = ocfs2_start_trans(osb, credits);
        if (IS_ERR(handle)) {
                status = PTR_ERR(handle);
                handle = NULL;
@@ -1725,7 +1731,10 @@ static int ocfs2_symlink(struct inode *dir,
        d_instantiate(dentry, inode);
 bail:
        if (handle)
-               ocfs2_commit_trans(handle);
+               ocfs2_commit_trans(osb, handle);
+
+       ocfs2_meta_unlock(dir, 1);
+
        if (new_fe_bh)
                brelse(new_fe_bh);
        if (parent_fe_bh)
@@ -1776,7 +1785,7 @@ int ocfs2_check_dir_entry(struct inode * dir,
  * If you pass me insert_bh, I'll skip the search of the other dir
  * blocks and put the record in there.
  */
-static int __ocfs2_add_entry(struct ocfs2_journal_handle *handle,
+static int __ocfs2_add_entry(handle_t *handle,
                             struct inode *dir,
                             const char *name, int namelen,
                             struct inode *inode, u64 blkno,
@@ -1816,6 +1825,13 @@ static int __ocfs2_add_entry(struct ocfs2_journal_handle *handle,
                     (le16_to_cpu(de->rec_len) >= rec_len)) ||
                    (le16_to_cpu(de->rec_len) >=
                     (OCFS2_DIR_REC_LEN(de->name_len) + rec_len))) {
+                       dir->i_mtime = dir->i_ctime = CURRENT_TIME;
+                       retval = ocfs2_mark_inode_dirty(handle, dir, parent_fe_bh);
+                       if (retval < 0) {
+                               mlog_errno(retval);
+                               goto bail;
+                       }
+
                        status = ocfs2_journal_access(handle, dir, insert_bh,
                                                      OCFS2_JOURNAL_ACCESS_WRITE);
                        /* By now the buffer is marked for journaling */
@@ -1838,7 +1854,6 @@ static int __ocfs2_add_entry(struct ocfs2_journal_handle *handle,
                        de->name_len = namelen;
                        memcpy(de->name, name, namelen);
 
-                       dir->i_mtime = dir->i_ctime = CURRENT_TIME;
                        dir->i_version++;
                        status = ocfs2_journal_dirty(handle, insert_bh);
                        retval = 0;
@@ -1862,7 +1877,7 @@ bail:
  * ocfs2_delete_entry deletes a directory entry by merging it with the
  * previous entry
  */
-static int ocfs2_delete_entry(struct ocfs2_journal_handle *handle,
+static int ocfs2_delete_entry(handle_t *handle,
                              struct inode *dir,
                              struct ocfs2_dir_entry *de_del,
                              struct buffer_head *bh)
@@ -2093,19 +2108,19 @@ bail:
 }
 
 static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
-                                   struct ocfs2_journal_handle *handle,
+                                   struct inode **ret_orphan_dir,
                                    struct inode *inode,
                                    char *name,
                                    struct buffer_head **de_bh)
 {
-       struct inode *orphan_dir_inode = NULL;
+       struct inode *orphan_dir_inode;
        struct buffer_head *orphan_dir_bh = NULL;
        int status = 0;
 
        status = ocfs2_blkno_stringify(OCFS2_I(inode)->ip_blkno, name);
        if (status < 0) {
                mlog_errno(status);
-               goto leave;
+               return status;
        }
 
        orphan_dir_inode = ocfs2_get_system_file_inode(osb,
@@ -2114,11 +2129,12 @@ static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
        if (!orphan_dir_inode) {
                status = -ENOENT;
                mlog_errno(status);
-               goto leave;
+               return status;
        }
 
-       ocfs2_handle_add_inode(handle, orphan_dir_inode);
-       status = ocfs2_meta_lock(orphan_dir_inode, handle, &orphan_dir_bh, 1);
+       mutex_lock(&orphan_dir_inode->i_mutex);
+
+       status = ocfs2_meta_lock(orphan_dir_inode, &orphan_dir_bh, 1);
        if (status < 0) {
                mlog_errno(status);
                goto leave;
@@ -2128,13 +2144,19 @@ static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
                                              orphan_dir_bh, name,
                                              OCFS2_ORPHAN_NAMELEN, de_bh);
        if (status < 0) {
+               ocfs2_meta_unlock(orphan_dir_inode, 1);
+
                mlog_errno(status);
                goto leave;
        }
 
+       *ret_orphan_dir = orphan_dir_inode;
+
 leave:
-       if (orphan_dir_inode)
+       if (status) {
+               mutex_unlock(&orphan_dir_inode->i_mutex);
                iput(orphan_dir_inode);
+       }
 
        if (orphan_dir_bh)
                brelse(orphan_dir_bh);
@@ -2144,28 +2166,19 @@ leave:
 }
 
 static int ocfs2_orphan_add(struct ocfs2_super *osb,
-                           struct ocfs2_journal_handle *handle,
+                           handle_t *handle,
                            struct inode *inode,
                            struct ocfs2_dinode *fe,
                            char *name,
-                           struct buffer_head *de_bh)
+                           struct buffer_head *de_bh,
+                           struct inode *orphan_dir_inode)
 {
-       struct inode *orphan_dir_inode = NULL;
        struct buffer_head *orphan_dir_bh = NULL;
        int status = 0;
        struct ocfs2_dinode *orphan_fe;
 
        mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino);
 
-       orphan_dir_inode = ocfs2_get_system_file_inode(osb,
-                                                      ORPHAN_DIR_SYSTEM_INODE,
-                                                      osb->slot_num);
-       if (!orphan_dir_inode) {
-               status = -ENOENT;
-               mlog_errno(status);
-               goto leave;
-       }
-
        status = ocfs2_read_block(osb,
                                  OCFS2_I(orphan_dir_inode)->ip_blkno,
                                  &orphan_dir_bh, OCFS2_BH_CACHED,
@@ -2217,9 +2230,6 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb,
             (unsigned long long)OCFS2_I(inode)->ip_blkno, osb->slot_num);
 
 leave:
-       if (orphan_dir_inode)
-               iput(orphan_dir_inode);
-
        if (orphan_dir_bh)
                brelse(orphan_dir_bh);
 
@@ -2229,7 +2239,7 @@ leave:
 
 /* unlike orphan_add, we expect the orphan dir to already be locked here. */
 int ocfs2_orphan_del(struct ocfs2_super *osb,
-                    struct ocfs2_journal_handle *handle,
+                    handle_t *handle,
                     struct inode *orphan_dir_inode,
                     struct inode *inode,
                     struct buffer_head *orphan_dir_bh)
@@ -2308,4 +2318,5 @@ struct inode_operations ocfs2_dir_iops = {
        .rename         = ocfs2_rename,
        .setattr        = ocfs2_setattr,
        .getattr        = ocfs2_getattr,
+       .permission     = ocfs2_permission,
 };